.top-image {
    background: url(../images/successcase/topimg.png) center no-repeat;
    font-size: 0px;
    line-height: 0px;
    overflow: hidden;
    height: 200px;
    background-size: cover;
}

.step1-content {
    width: 1200px;
    margin: 0 auto;
}

/* 导航位置 */

.step1-content .location {
    line-height: 20px;
    margin: 20px 0;
}

.step1-content .location span {
    font-size: 15px;
    color: #333;
    margin-right: 16px;
}

/* 列表 */

.step1-content .current {
    color: #5c6fb4;
    border-bottom: 2px solid #5c6fb4;
}

.step1-content .list {
    display: flex;
    padding: 0 40px;
    border: 1px solid #f2f2f2;
}

.step1-content .list-next {
    border-top: none;
}

.step1-content .list .group-title {
    color: #333;
    font-size: 16px;
    padding: 20px 0;
    padding-right: 30px;
}

.step1-content .list .group-list {
    color: #333;
    font-size: 16px;
    display: flex;
    flex-wrap: wrap;
    width: 980px;
}

.step1-content .list .group-item {
    padding: 20px 0;
    margin: 0 20px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
}

.step1-content .list .group-item:hover {
    color: #5c6fb4;
    border-bottom: 2px solid #5c6fb4;
}

.step1-content .list .current {
    color: #5c6fb4;
    border-bottom: 2px solid #5c6fb4;
}

/* 案例 */

.step2-content {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.step2-content .item {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    margin-top: 36px;
}

.step2-content .item img {
    border: 1px solid #efefef;
    box-shadow: 5px 5px 8px rgb(0 0 0 / 10%);
}

.item-img {
    position: relative;
}

.item-img p {
    position: absolute;
    width: 282px;
    height: 187px;
    z-index: 999;
    top: 0;
    left: 0;
}

.item-img p:hover {
    background-color: rgba(92, 111, 180, 0.46);
    cursor: pointer;
}

.step2-content .item span {
    display: inline-block;
    text-align: center;
    line-height: 68px;
    color: #333;
    font-size: 18px;
}

.step2-content .item span:hover {
    color: #7c8bc4;
    text-decoration: underline;
    cursor: pointer;
}

/* 列表分页 */

.step3-content {
    width: 1200px;
    margin: 0 auto;
    padding-bottom: 28px;
}

.step3-content .pagination {
    width: 300px;
    line-height: 58px;
    margin: 0 auto;
}

.step3-content .pagination span {
    font-size: 16px;
    color: #333;
    margin: 0 6px;
    cursor: pointer;
}

.step3-content .pagination span:hover {
    color: #5c6fb4;
    border-bottom: 1px solid #5c6fb4;
}

.step3-content .pagination .current {
    color: #5c6fb4;
    border-bottom: 1px solid #5c6fb4;
}